As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT RETURNED TO FIELD WHEN THE CREW WAS UNABLE TO TRANSFER FUEL FROM THE RIGHT TANK. MAINTENANCE INSPECTED THE SYSTEM AND THEN REPLACED THE REFUEL/DEFUEL SHUT-OFF VALVE ACTUATOR ASSEMBLY. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.